Two hundred seventy-three

Two hundred seventy-three (273, CCLXXIII) is a natural number. Its factorization is

making it a sphenic number.

273 is also:

• The zero of the Celsius temperature scale is (to the nearest whole number) 273 Kelvin
• American composer John Cage's piano composition 4'33" consists of 273 seconds (four minutes and 33 seconds) of silence, in three movements.

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See also: integer, list of numbers, two hundred.

This article is about the number 273. For the year AD 273, see 273.